inadequate
US /ɪˈnæd.ə.kwət/
UK /ɪˈnæd.ə.kwət/

1.
inadecuado, insuficiente, deficiente
lacking the quality or quantity required; insufficient for a purpose
:
•
The food supply was inadequate to feed all the refugees.
El suministro de alimentos era inadecuado para alimentar a todos los refugiados.
•
His performance was inadequate for the demands of the job.
Su desempeño fue inadecuado para las exigencias del trabajo.
2.
incapaz, incompetente, deficiente
unable to deal with a situation or with life
:
•
She felt completely inadequate to handle the new responsibilities.
Se sentía completamente incapaz de manejar las nuevas responsabilidades.
•
He often feels inadequate in social situations.
A menudo se siente incapaz en situaciones sociales.